That video brings back memories of my younger days. I spent many hours after school and on weekends pailing small grains into that hopper. The biggest trouble we had with that model was the clean grain conveyor, didn't have a suitable belt tightener other than buckles that had to be adjusted evenly, making sure they wouldn't catch on anything. IIRC, capacity was 20-40 bu/hr. Also, IIRC, the machine in the video has the fan going in the wrong direction; should be blowing upwards.

Later, dad bought a model 29B (think that was the number); 50- 80 bu/hour depending on the grain. It had an auger taking away the clean grain; that machine was equipped with a treater too, messy but effective. At that capacity, it wasn't long before I rigged an auger to feed the hopper. lol That got me into custom cleaning grain for neighbours.

Dad had one exactly like that, I spent a lot of time in my youth tyeing Bemis 2-bu bags of beans from that identical paddle conveyer. Dad fed it out of a 100 bu Anthony flared bed wagon with a 4" auger, had to turn it on and off, as it would convey more beans than the cleaner would clean. After Dad married my stepmother, her Dad owned a cleaning mill, much faster to have him clean them, but I still tied the bags from the larger Clipper cleaner, with some help.

Thanks for bringing back memories, but I wouldn't want to do it again.

I spent many an hour when I was younger tying bags of oats off a 2B. we had it set up with a gravity box on the 3rd floor, cleaner on the 2nd, and bagger on the 1st. When I was 8 and 9 I couldn't even lift the full bags after tying them. Ended up getting my cousin to lift one end of the bags so we could actually stack them on pallets.

I bought a farmstead on return from Germany last month and once the weather breaks a bit we will be building a good driveway and a cleaning barn

Yes, this brings back memories for me also. Dad sold seed (Soybeans and Oats) while I was growing up. I spent many hours breathing the dust while cleaning soybeans. Some of this was "Certified Seed" but others was just "bin run". This was part of how I earned money for college tuition.

Dad owned a metal model with a neighbor. When the neighbor retired and sold out, the clipper was sold on his auction. Later my brother bought an older model (Wooden) from a different auction and we used it for several years for our own seed. Dad was out of the seed business at that point in time.

With the advent of RR seed, we quit using it. I tried giving it away but eventually threw it in on the fire when I had the barn burned down to put in a shop/machine shed. Lots of memories but I wouldn't want to go back.

I have one. I think I paid $50 at an auction 15 or so years ago with three or four screens. I was able then to get a manual copy from the original maker. I added a belt guard and left it in the custody of the county conservation board for cleaning wildflower seed. I hope they haven't trashed it. I had a dream of cleaning oats for the horse trade, but never got good at raising oats as a nurse crop for alfalfa.

Might have some value. I think theres a great opportunity for some young growers to earn some $ cleaning cover crop seed. Hard to find a seed cleaner sometimes, we have a couple here who will clean some odd lots. And theres lots of things to clean beside soybeans.

A few years ago we set up a cleaning line inside an old 50 ft reefer trailer to clean our own seed. A little clipper 47D is small enough to just fit in through the rear of that trailer, yet do a good number of bushels per day. We have an internal 50 bushel raw grain bin feeding the little clipper, which feeds into a Carter two row disc cleaner for finishing flax, and / or into a Forsberg V50,vacuum gravity table to finish any crop to save the heavy and best seeds.
It took a gaggle of rigid and flex augers to route the grain through all the cleaners in series in that confined space, but it works well.

By running the grain through a pre and post aspirator, an air screen cleaner, Carter disc cleaner, and gravity table, we can produce food grade grain or a premium seed. We used to clean Omega flax seed for a couple of flax health food companies.
We like being able to do that kind of quality, when we want it with no fear of getting seed contaminated whth stuff left in the other guys cleaner.